China International Optoelectronic Expo (CIOE) is a world-renowned event, annually presenting the most advanced optoelectronics technologies and innovations. Established in 1999, CIOE will be held at the Shenzhen Convention and Exhibition Center with a total area of 100,000 sq. meters, comprised of four concurrent specialized expositions focusing on optical communications and sensors, lasers and infrared applications etc.

China international optoelectronic exposition (China light fair, CIOE) was founded in 1999, is currently the world's biggest, most influential and authoritative photoelectric professional exhibition, CIOE is the listed company and hear (UBM PLC) members of the group's Asia and hear, receive the international exhibition union (UFI) certification authority.

China International Optoelectronic Expo (CIOE) is a world-renowned event, annually presenting the most advanced optoelectronics technologies and innovations. Established in 1999, CIOE will be held at the Shenzhen Convention and Exhibition Center with a total area of 100,000 sq. meters, comprised of four concurrent specialized expositions focusing on optical communications and sensors, lasers and infrared applications etc.

China international optoelectronic exposition (China light fair, CIOE) was founded in 1999, is currently the world's biggest, most influential and authoritative photoelectric professional exhibition, CIOE is the listed company and hear (UBM PLC) members of the group's Asia and hear, receive the international exhibition union (UFI) certification authority.